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Date: Fri, 14 Mar 2008 11:55:03 -0400 From: "Alan D. Brunelle" <Alan.Brunelle@...com> To: "Alan D. Brunelle" <Alan.Brunelle@...com> Cc: Jens Axboe <jens.axboe@...cle.com>, linux-kernel@...r.kernel.org, npiggin@...e.de, dgc@....com Subject: Re: IO CPU affinity test results 4-way IA64, better, but not good after 30 runs (in single user mode): Part RQ MIN AVG MAX Dev ----- -- ------ ------ ------ ------ mkfs 0 18.893 19.429 20.129 0.351 mkfs 1 18.912 19.347 19.934 0.258 untar 0 17.007 17.538 18.829 0.416 untar 1 16.980 17.329 18.369 0.284 make 0 22.050 23.000 23.546 0.400 make 1 22.416 23.141 23.637 0.349 comb 0 58.138 59.967 61.923 0.793 comb 1 58.428 59.817 60.750 0.608 psys 0 7.69% 8.77% 9.93% 0.443 psys 1 8.47% 14.20% 16.33% 2.566 Better run time w/ rq=1 (only 0.25%) but at a huge cost in %sys. Will do some profiling to see what's up. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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